Finding the Fourth Proportional to 2,853.67, 4,280.52 and 1,004.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,853.67 : 4,280.52 = 1,004.80 : x
2. Step 2: Convert to fraction form
   2,853.67/4,280.52 = 1,004.80/x
3. Step 3: Cross multiply
   2,853.67x = 4,280.52 × 1,004.80
4. Step 4: Simplify right side
   2,853.67x = 4,301,066.50
5. Step 5: Solve for x
   x = 4,301,066.50/2,853.67
6. Step 6: Final answer
   x = 1,507.21